Mozilla Firefox/Thunderbird 24.0 doStopDocumentLoad use after free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Mozilla Firefox and Thunderbird 24.0. It has been rated as critical. This impacts the function nsDocLoader::doStopDocumentLoad. This manipulation causes use after free.
This vulnerability appears as CVE-2013-5597. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is advised.
Details
A vulnerability classified as very critical was found in Mozilla Firefox and Thunderbird 24.0 (Web Browser). Affected by this vulnerability is the function nsDocLoader::doStopDocumentLoad. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Use-after-free vulnerability in the nsDocLoader::doStopDocumentLoad function in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving a state-change event during an update of the offline cache.
The weakness was presented 10/29/2013 by Byoungyoung Lee with Georgia Tech Information Security Center as Mozilla Foundation Security Advisory 2013-98 as confirmed advisory (Website). The advisory is shared at mozilla.org. The public release was coordinated in cooperation with Mozilla. This vulnerability is known as CVE-2013-5597 since 08/26/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/25/2025).
The vulnerability scanner Nessus provides a plugin with the ID 70688 (CentOS 5 / 6 : firefox (CESA-2013:1476)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121562 (Red Hat Update for Xulrunner Firefox (RHSA-2013:1476)).
Upgrading to version 25.0 eliminates this vulnerability. The upgrade is hosted for download at mozilla.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (70688), SecurityFocus (BID 63405†), OSVDB (99089†), Secunia (SA55483†) and Vulnerability Center (SBV-42128†). Additional details are provided at mozilla.org. See VDB-11046, VDB-11047, VDB-11048 and VDB-11049 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- Firefox 24.0
- Thunderbird 24.0
- SeaMonkey 2.21
- Firefox ESR 17.0.9
- Firefox ESR 24.0
- Thunderbird ESR 17.0.9
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 70688
Nessus Name: CentOS 5 / 6 : firefox (CESA-2013:1476)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 892788
OpenVAS Name: Debian Security Advisory DSA 2788-1 (iceweasel - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox/Thunderbird 25.0
Timeline
08/26/2013 🔍10/29/2013 🔍
10/29/2013 🔍
10/29/2013 🔍
10/30/2013 🔍
10/30/2013 🔍
10/30/2013 🔍
11/01/2013 🔍
11/25/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: Mozilla Foundation Security Advisory 2013-98
Researcher: Byoungyoung Lee
Organization: Georgia Tech Information Security Center
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2013-5597 (🔍)
GCVE (CVE): GCVE-0-2013-5597
GCVE (VulDB): GCVE-100-11053
OVAL: 🔍
IAVM: 🔍
SecurityFocus: 63405
Secunia: 55483 - Ubuntu update for firefox, Highly Critical
OSVDB: 99089
Vulnerability Center: 42128 - Mozilla Firefox, Thunderbird and Seamonkey Remote Code Execution and DoS due to Use-After-Free Vulnerability (CVE-2013-5597), Critical
Misc.: 🔍
See also: 🔍
Entry
Created: 11/01/2013 09:59Updated: 11/25/2025 19:00
Changes: 11/01/2013 09:59 (87), 01/31/2018 09:55 (1), 06/01/2021 14:57 (2), 11/25/2025 19:00 (15)
Complete: 🔍
Committer:
Cache ID: 216::103
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